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from turtle import *
from math import *
from random import *
from kandinsky import fill_rect
from time import sleep

def raz():
  hideturtle()
  sleep(.2)
  fill_rect(0,0,320,222,(255,255,255))
  showturtle()
  
speed(0)
raz()

def trait(actuel):
  pensize(randint(1,3))
  setheading(actuel)
  forward(randint(20,40))

def fin(x,y):
  pensize(1)
  circle(randint(1,4))
  goto(x,y)

MX=70 # taille cadre

actuel = 0
for i in range(100):
  if actuel%180==0: # chgt direction
    actuel = choice([270,90])
  else:
    actuel = choice([0,180])
  trait(actuel)
  [x,y] = position()
  if y<-MX: fin(x,-MX) # extremites
  elif y>MX: fin(x,MX) 
  if x<-MX: fin(-MX,y)
  elif x>MX: fin(MX,y)

raz()

for c in range(32):
  for l in range(20):
    taille = 1+ int(5*sin(pi*c/32)*sin(pi*l/20))
    penup()
    goto(-160 + 10*c, 110-11*l)
    pendown()
    pensize(taille)
    circle(taille)
    
def polyg():
  cotes = sorted(range(6), key=lambda x: random())[:2]
  for i in range(6):
    penup()
    if i in cotes:
      pendown()
      epais = 1 if cotes.index(i)==0 else randint(1,3)
      pensize(epais)
    forward(10)
    right(60)

raz()
for j in range(32*13):
  penup()
  setheading(0)
  goto(-160 + 10*(j%32),110-17*(j//32))  
  polyg()

raz()
for a in range(180):
  penup()
  r = 30 + randint(-10,10)
  goto(r*cos(pi*a/90),r*sin(pi*a/90))
  setheading(2*a)
  pendown()
  d = randint(1,80)
  for k in range(d):
    pensize(int(5*k/d))
    forward(1)